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From 1bf8035838734ebf1745805ae874feb491eedafa Mon Sep 17 00:00:00 2001
From: Valentine Barshak <valentine.barshak@cogentembedded.com>
Date: Thu, 27 Jun 2019 02:55:59 +0300
Subject: [PATCH 177/211] gpu: drm: rcar-du: rcar_du_vsp: Check if gem buffer
has a physical address
Do not copy the sg in case gem buffer does have a physical address.
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
---
drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index 2b076cf..a904132 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -277,7 +277,7 @@ static int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane,
drm_fb_cma_get_gem_obj(state->fb, i);
struct sg_table *sgt = &rstate->sg_tables[i];
- if (gem->sgt) {
+ if (gem->sgt && !gem->paddr) {
struct scatterlist *src;
struct scatterlist *dst;
--
2.7.4
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